George Ellery Hale was an American astrophysicist best known for his discovery of magnetic fields in sunspots. He was also a key figure in the planning and construction of several world-leading telescopes: the 40-inch refracting telescope at Yerkes Observatory; the 60-inch Hale and 100-inch Hooker reflecting telescopes, both at Mount Wilson Observatory; and the 200-inch Hale reflecting telescope at Palomar Observatory. He played a key role in the foundation of the International Union for Cooperation in Solar Research and the National Research Council, and in developing the California Institute of Technology into a leading research university.
George Ellery Hale, American astronomer and journalist (died 1938)
On June 29, in the year 1868, George Ellery Hale, American astronomer and journalist (died 1938). This event is recorded as a Notable Births event in the history of June 29, a notable event in this corner of history.
1 notable person is associated with this event, including George Ellery Hale. Learn more below.
Key Facts
- This event took place on June 29, 1868 (AD era).
- It is categorised as a Notable Births event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 26 May 2026.
On This Date in History
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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